105406616244 has 12 divisors (see below), whose sum is σ = 245948771264. Its totient is φ = 35135538744.

The previous prime is 105406616243. The next prime is 105406616317. The reversal of 105406616244 is 442616604501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105406616244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105406616243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4391942332 + ... + 4391942355.

Almost surely, 2^105406616244 is an apocalyptic number.

It is an amenable number.

105406616244 is an abundant number, since it is smaller than the sum of its proper divisors (140542155020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105406616244 is a wasteful number, since it uses less digits than its factorization.

105406616244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783884694 (or 8783884692 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 105406616244 in words is "one hundred five billion, four hundred six million, six hundred sixteen thousand, two hundred forty-four".